Typical operating characteristics (continued) – Rainbow Electronics MAX15034 User Manual
Page 8
MAX15034
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 6, T
A
= +25°C, unless otherwise noted. V
IN
= 12V, V
OUT1
= 0.8V, V
OUT2
= 1.3V, f
SW
= 500kHz per phase.)
SOFT-START WAVEFORM
MAX15034 toc22
400
μs/div
EN2
5V/div
V
OUT2
500mV/div
V
EAN2
200mV/div
PREBIASED OUTPUT CONDITION
MAX15034 toc23
400
μs/div
EN2
5V/div
0V
V
OUT2
500mV/div
DH2
5V/div
DL2
5V/div
EAOUT2
1V/div
INTERNAL AVERAGE CURRENT LIMIT
vs. TEMPERATURE
MAX15034 toc20
TEMPERATURE (
°C)
INTERNAL AVERAGE CURRENT LIMIT (mV)
21
22
23
24
25
20
110
95
80
65
50
35
20
5
-10
-25
-40
125
INTERNAL AVERAGE REVERSE
CURRENT LIMIT vs. TEMPERATURE
MAX15034 toc21
INTERNAL AVERAGE CURRENT LIMIT (mV)
-2.5
-2.0
-1.5
-1.0
-0.5
0
-3.0
TEMPERATURE (
°C)
110
95
80
65
50
35
20
5
-10
-25
-40
125
PEAK PULLUP AND PULLDOWN CURRENT
OR DRIVER AT DH_ AND DL_
MAX15034 toc24
200ns/div
C
LOAD
= 10nF
DH_
500mV/div
DL_
500mV/div